National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Fair

48°F

9°C

Humidity 82%
Wind Speed SE 6 mph
Barometer 30.29 in
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 4 Nov 7:50 am CST
Extended Forecast for

2 Miles S Marine IL

  • Today

    Today: Sunny, with a high near 67. South wind 8 to 16 mph, with gusts as high as 24 mph.

    High: 67 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 50. South wind 9 to 14 mph, with gusts as high as 22 mph.

    Low: 50 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 70. Southwest wind 8 to 14 mph becoming north in the afternoon. Winds could gust as high as 22 mph.

    High: 70 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 37. North wind around 6 mph becoming light and variable in the evening.

    Low: 37 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 65. Southeast wind 5 to 15 mph, with gusts as high as 22 mph.

    High: 65 °F

    Sunny

  • Thursday Night

    Thursday Night: A 40 percent chance of rain after midnight. Mostly cloudy, with a low around 53.

    Low: 53 °F

    Mostly Cloudy
    then Chance
    Rain

  • Friday

    Friday: A 30 percent chance of rain before noon. Partly sunny, with a high near 69.

    High: 69 °F

    Chance Rain
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 67. South wind 8 to 16 mph, with gusts as high as 24 mph.
Tonight
Mostly clear, with a low around 50. South wind 9 to 14 mph, with gusts as high as 22 mph.
Wednesday
Sunny, with a high near 70. Southwest wind 8 to 14 mph becoming north in the afternoon. Winds could gust as high as 22 mph.
Wednesday Night
Clear, with a low around 37. North wind around 6 mph becoming light and variable in the evening.
Thursday
Sunny, with a high near 65. Southeast wind 5 to 15 mph, with gusts as high as 22 mph.
Thursday Night
A 40 percent chance of rain after midnight. Mostly cloudy, with a low around 53.
Friday
A 30 percent chance of rain before noon. Partly sunny, with a high near 69.
Friday Night
Mostly clear, with a low around 41.
Saturday
Mostly sunny, with a high near 65.
Saturday Night
A 20 percent chance of rain before midnight. Partly cloudy, with a low around 39.
Sunday
Sunny, with a high near 49.
Sunday Night
Mostly clear, with a low around 27.
Monday
Sunny, with a high near 46.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Marine IL
 38.76°N 89.77°W (Elev. 499 ft)
Last Update:
6:41 am CST Nov 4, 2025
Forecast Valid:
8am CST Nov 4, 2025-6pm CST Nov 10, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation